61220675 has 6 divisors (see below), whose sum is σ = 75913668. Its totient is φ = 48976520.

The previous prime is 61220669. The next prime is 61220699. The reversal of 61220675 is 57602216.

61220675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61220675 - 2⁶ = 61220611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224389 + ... + 1224438.

It is an arithmetic number, because the mean of its divisors is an integer number (12652278).

Almost surely, 2^61220675 is an apocalyptic number.

61220675 is a deficient number, since it is larger than the sum of its proper divisors (14692993).

61220675 is a wasteful number, since it uses less digits than its factorization.

61220675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448837 (or 2448832 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 61220675 is about 7824.3641914216. The cubic root of 61220675 is about 394.1238391241.

The spelling of 61220675 in words is "sixty-one million, two hundred twenty thousand, six hundred seventy-five".